|Date of birth||4 January 1992|
|Place of birth||Linhai, Zhejiang, China|
|Height||1.82 m (5 ft 11 1⁄2 in)|
|2003–2009||Shanghai Zhabei Jingwen Football School|
|* Senior club appearances and goals counted for the domestic league only and correct as of 1 November 2016.
Yang started his professional football career in 2010 when he joined Chinese Super League side Nanchang Hengyuan. On 4 May 2011, he made his senior debut in the first round of 2011 Chinese FA Cup which Nanchang beat Beijing Institute of Technology 3–1. His Super League debut came on 31 July 2011, in a 1–0 home victory against Dalian Shide, coming on as a substitute for Pan Chaoran in the 59th minute. He followed the club to move to Shanghai in 2012. Yang scored his first senior goal on 17 June 2012, which ensured Shanghai Shenxin tied with Dalian Shide 1–1.
On 14 February 2016, Yang transferred to fellow Chinese Super League side Jiangsu Suning after Shanghai Shenxin's relegatione. He made his debut for Jiangsu on 15 March 2016 in a 0–0 away draw against FC Tokyo, coming on as a substitute for Ji Xiang in the 78th minute.
Statistics accurate as of match played 1 November 2016 
|Club performance||League||Cup||League Cup||Continental||Total|
|China PR||League||FA Cup||CSL Cup||Asia||Total|
|2010||Shanghai Shenxin||Chinese Super League||0||0||-||-||-||0||0|
- 申鑫又一90后小将爆发 杨家威铲射打入中超首球 at 163.com 2012-06-17 Retrieved 2013-03-14 (in Chinese)
- 苏宁继续购 申鑫超新星正式加盟 at sports.sina.com 2016-02-14 Retrieved 2016-02-14 (in Chinese)
- 亚冠-特谢拉破门被吹 苏宁0-0客平东京小组第二 at sports.sohu.com 2016-03-15 Retrieved 2016-11-03 (in Chinese)
- 杨家威 at sodasoccer.com Retrieved 2015-11-01 (in Chinese)